Linux distributions

How To Reset Root Password On CentOS 7

The way to reset the root password on centos7 is totally different from Centos 6. Let me show you how to reset the root...

Five Industry Giants That Use Linux

Nowadays Linux is everywhere. What are some big companies that make use of the Gnu/Linux operating system? There are so many and I am very...

Linux Basics: Assign Multiple IP Addresses To Single Network Interface Card...

Some times you might want to use more than one IP address for your network interface card. What are you going to do? Buy...

Install Oracle Database 12c On CentOS7

In this tutorial, we will show you how to Install Oracle Database 12c On CentOS 7 OS information: # cat   /etc/centos-release CentOS Linux release 7.0.1406 (Core) Network: # ip...

How To Install LEMP Stack On Fedora 23/24

LEMP is a combination of the operating system and open-source software stack. The acronym LEMP is derived from the first letters of Linux, Nginx...

How to Install And Configure FTP Server In Ubuntu

Today, we will walk thorough how to install, configure and test an ftp server.  Let's began then. First, what is FTP? The File Transfer Protocol (FTP)...

Install Conky Lua On Ubuntu 14.10/14.04/13.10/13.04, Debian, Fedora, Linux Mint And...

Conky is a free, lightweight system monitor for X, that displays any information on your desktop. There are many nice themes available for conky,...

How To Install LAMP Stack On Ubuntu 16.04

LAMP is a combination of operating system and open-source software stack. The acronym LAMP came from the first letters ofLinux, Apache HTTP Server, MySQL...

Install NetXMS with Ubuntu 15.10

NetXMS is an enterprise grade network management and performance monitoring system. It provides a detailed reports in the form of graphs, logs etc. It...

How To Configure A High Available Load-balancer With HAProxy And Keepalived

This tutorial explains how to set up a two-node load balancer with HAProxy and keepalived on CentOS 7. The load balancer sits between the user and two (or...

How To Configure Sftp With Chroot In RHEL And CentOS 7

Introduction Sftp (SSH or Secure file transfer protocol, Instead of using vsftpd we can use sftp, Sftp is the only secure way while comparing to...

How to Format USB Properly in Linux

Sometimes things happen that your USB key is not showing because it is not properly formatted. This has happened to me several times and...

How To Setup Apache Hadoop On CentOS

The Apache Hadoop software library is a framework that allows for the distributed processing of large data sets across clusters of computers using simple...

How To Install Openfire On CentOS 7

Openfire is a real time collaboration (RTC) server licensed under the Open Source Apache License. It is also known as Jabber. It uses the only...

How To Install And Configure Squid Proxy On Ubuntu And Debian

About Squid Proxy Squid Proxy is  a a great proxy server mainly used for caching frequently requested web content in order to speed up response...

Install And Configure RoundCube Webmail On Ubuntu

RoundCube Webmail is a free and open source Webmail with browser-based multilingual IMAP client packed with plenty of AJAX goodness. RoundCube Webmail comes with...

Send Nagios Alert Notification Using WhatsApp

Introduction One of the most important feature of the monitoring platform is the notification system; by default  they use the local mail daemon (postfix, mail, exim)...

Install And Configure Spacewalk In CentOS 7

About Spacewalk Spacewalk is a free, open source Linux management system. It is upstream community project for Red Hat Satellite server. Using Spacewalk, we can...